Gabriel Michael Lorentz

Karratha Metals Group Ltd. engages in mining and explores for gold and silver. The firm focuses on mineral exploration at its Elizabeth Hill silver project in Western Australia. The company is headquartered in Perth, Australia.

E3Sixty Ltd. engages in the exploration, mining, and development of minerals. The company is headquartered in Sydney, Australia.

Wambo Coal Pty Ltd. engages in the management of Wambo Coal Mine, an underground coal mining operation located west of Singleton, near the village of Warkworth, New South Wales. It consists of an open cut and underground mine, a Coal Handling and Preparation Plan, rail loop, and associated rail load-out facilities. It produces coal products. The company was founded on November 1, 1999 and is headquartered in Warkworth, Australia.

Part of Boss Energy Ltd., Minga Pty Ltd. engages in the exploration and drilling of oil and gas. The company is based in Double Bay, Australia. Minga was acquired by Boss Energy Ltd. on August 17, 2009 for $0.04 million.